Home / 9,221.04-13,833.36-5,518.80

Finding the Fourth Proportional to 9,221.04, 13,833.36 and 5,518.80

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Solution

The fourth proportional to 9,221.04, 13,833.36 and 5,518.80 is: 8,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.04 : 13,833.36 = 5,518.80 : x
  2. Step 2: Convert to fraction form
    9,221.04/13,833.36 = 5,518.80/x
  3. Step 3: Cross multiply
    9,221.04x = 13,833.36 × 5,518.80
  4. Step 4: Simplify right side
    9,221.04x = 76,343,547.17
  5. Step 5: Solve for x
    x = 76,343,547.17/9,221.04
  6. Step 6: Final answer
    x = 8,279.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.